Allergic reaction: Patch testing is done when there is a reasonable suspicion that the dermatitis is caused by an allergen that is contacting the skin (allergic contact dermatitis). It can be quite valuable but requires a very thoughtful clinician and a carefully done history.
Answered 11/24/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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